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1 | // Created on: 1995-07-24 |
2 | // Created by: Modelistation |
3 | // Copyright (c) 1995-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | #include <StdPrs_PoleCurve.ixx> |
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18 | |
19 | #include <Graphic3d_ArrayOfPolylines.hxx> |
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20 | #include <Graphic3d_Group.hxx> |
21 | #include <Prs3d_LineAspect.hxx> |
22 | #include <Prs3d_Arrow.hxx> |
23 | #include <Prs3d_ArrowAspect.hxx> |
24 | #include <gp_Pnt.hxx> |
25 | #include <gp_Dir.hxx> |
26 | #include <gp_Vec.hxx> |
27 | #include <TColgp_Array1OfPnt.hxx> |
28 | #include <Geom_BezierCurve.hxx> |
29 | #include <Geom_BSplineCurve.hxx> |
30 | |
31 | |
32 | //======================================================================= |
33 | //function : Add |
34 | //purpose : |
35 | //======================================================================= |
36 | |
37 | void StdPrs_PoleCurve::Add (const Handle (Prs3d_Presentation)& aPresentation, |
38 | const Adaptor3d_Curve& aCurve, |
39 | const Handle (Prs3d_Drawer)& aDrawer) |
40 | { |
41 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect()); |
42 | |
43 | GeomAbs_CurveType CType = aCurve.GetType(); |
44 | if (CType == GeomAbs_BezierCurve || CType == GeomAbs_BSplineCurve) { |
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45 | Standard_Integer i, Nb; |
46 | if (CType == GeomAbs_BezierCurve) { |
47 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
48 | Nb = Bz->NbPoles(); |
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49 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(Nb); |
50 | for (i = 1; i <= Nb; i++) |
51 | aPrims->AddVertex(Bz->Pole(i)); |
52 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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53 | } |
54 | else if (CType == GeomAbs_BSplineCurve) { |
55 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
56 | Nb = Bs->NbPoles(); |
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57 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(Nb); |
58 | for (i = 1; i <= Nb; i++) |
59 | aPrims->AddVertex(Bs->Pole(i)); |
60 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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61 | } |
62 | } |
63 | |
64 | if (aDrawer->LineArrowDraw()) { |
65 | gp_Pnt Location; |
66 | gp_Vec Direction; |
67 | aCurve.D1(aCurve.LastParameter(),Location,Direction); |
68 | Prs3d_Arrow::Draw (aPresentation, |
69 | Location, |
70 | gp_Dir(Direction), |
71 | aDrawer->ArrowAspect()->Angle(), |
72 | aDrawer->ArrowAspect()->Length()); |
73 | } |
74 | } |
75 | |
76 | |
77 | //======================================================================= |
78 | //function : Match |
79 | //purpose : |
80 | //======================================================================= |
81 | |
82 | Standard_Boolean StdPrs_PoleCurve::Match(const Quantity_Length X, |
83 | const Quantity_Length Y, |
84 | const Quantity_Length Z, |
85 | const Quantity_Length aDistance, |
86 | const Adaptor3d_Curve& aCurve, |
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87 | const Handle (Prs3d_Drawer)& /*aDrawer*/) |
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88 | { |
89 | GeomAbs_CurveType CType = aCurve.GetType(); |
90 | Standard_Integer i, Nb = 0; |
91 | Standard_Real x,y,z; |
92 | if (CType == GeomAbs_BezierCurve) { |
93 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
94 | Nb = Bz->NbPoles(); |
95 | for (i = 1; i <= Nb; i++) { |
96 | Bz->Pole(i).Coord(x,y,z); |
97 | if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True; |
98 | } |
99 | return Standard_False; |
100 | } |
101 | else if (CType == GeomAbs_BSplineCurve) { |
102 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
103 | Nb = Bs->NbPoles(); |
104 | for (i = 1; i <= Nb; i++) { |
105 | Bs->Pole(i).Coord(x,y,z); |
106 | if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True; |
107 | } |
108 | return Standard_False; |
109 | } |
110 | return Standard_False; |
111 | } |
112 | |
113 | //======================================================================= |
114 | //function : Pick |
115 | //purpose : |
116 | //======================================================================= |
117 | |
118 | Standard_Integer StdPrs_PoleCurve::Pick |
119 | (const Quantity_Length X, |
120 | const Quantity_Length Y, |
121 | const Quantity_Length Z, |
122 | const Quantity_Length aDistance, |
123 | const Adaptor3d_Curve& aCurve, |
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124 | const Handle(Prs3d_Drawer)& /*aDrawer*/) |
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125 | { |
126 | Standard_Real x, y, z, DistMin = RealLast(); |
127 | Standard_Integer num = 0, i, Nb = 0; |
128 | Standard_Real dist; |
129 | GeomAbs_CurveType CType = aCurve.GetType(); |
130 | |
131 | if (CType == GeomAbs_BezierCurve) { |
132 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
133 | Nb = Bz->NbPoles(); |
134 | for (i = 1; i <= Nb; i++) { |
135 | Bz->Pole(i).Coord(x,y,z); |
136 | dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z); |
137 | if ( dist <= aDistance) { |
138 | if (dist < DistMin) { |
139 | DistMin = dist; |
140 | num = i; |
141 | } |
142 | } |
143 | } |
144 | } |
145 | else if (CType == GeomAbs_BSplineCurve) { |
146 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
147 | Nb = Bs->NbPoles(); |
148 | for (i = 1; i <= Nb; i++) { |
149 | Bs->Pole(i).Coord(x,y,z); |
150 | dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z); |
151 | if (dist <= aDistance) { |
152 | if (dist < DistMin) { |
153 | DistMin = dist; |
154 | num = i; |
155 | } |
156 | } |
157 | } |
158 | } |
159 | |
160 | return num; |
161 | } |
162 | |
163 | |
164 | |
165 | |
166 | |
167 | |
168 | |